<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace App\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;
use Symfony\Component\Security\Http\Util\TargetPathTrait;
/**
* Controller used to manage the application security.
* See https://symfony.com/doc/current/security/form_login_setup.html.
*
* @author Ryan Weaver <weaverryan@gmail.com>
* @author Javier Eguiluz <javier.eguiluz@gmail.com>
*/
class SecurityController extends AbstractController
{
use TargetPathTrait;
/**
* @Route("/login", name="security_login")
*/
public function login(Request $request, Security $security, AuthenticationUtils $helper): Response
{
// if user is already logged in, don't display the login page again
if ($security->isGranted('ROLE_USER')) {
return $this->redirectToRoute('blog_index');
}
// this statement solves an edge-case: if you change the locale in the login
// page, after a successful login you are redirected to a page in the previous
// locale. This code regenerates the referrer URL whenever the login page is
// browsed, to ensure that its locale is always the current one.
$this->saveTargetPath($request->getSession(), 'main', $this->generateUrl('admin_index'));
return $this->render('security/login.html.twig', [
// last username entered by the user (if any)
'last_username' => $helper->getLastUsername(),
// last authentication error (if any)
'error' => $helper->getLastAuthenticationError(),
]);
}
/**
* This is the route the user can use to logout.
*
* But, this will never be executed. Symfony will intercept this first
* and handle the logout automatically. See logout in config/packages/security.yaml
*
* @Route("/logout", name="security_logout")
*/
public function logout(): void
{
throw new \Exception('This should never be reached!');
}
}